1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
#! /usr/bin/python3
# Version: MPL 1.1 / GPLv3+ / LGPLv3+
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License or as specified alternatively below. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# Major Contributor(s):
# Copyright (C) 2012 Red Hat, Inc., Michael Stahl <mstahl@redhat.com>
# (initial developer)
#
# All Rights Reserved.
#
# For minor contributions see the git repository.
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 3 or later (the "GPLv3+"), or
# the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
# in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
# instead of those above.
import sys, os, getopt
def readFile(url):
d = {}
with open(url) as f:
for line in f:
key = line.strip().split(' ')[2]
val = line.strip().split('- ')[1]
d[key] = float(val)
return d
def usage():
message = """usage: {program} [option]..."
-h | --help: print usage information
--old=URL path to old file to be compared
--new=URL path to new file to be comparted"""
print(message.format(program = os.path.basename(sys.argv[0])))
if __name__ == "__main__":
try:
opts,args = getopt.getopt(sys.argv[1:], "o:n:h",
["old=", "new=", "help"])
except getopt.GetoptError:
usage()
sys.exit(1)
for opt, arg in opts:
if opt in ('-h', '--help'):
usage()
sys.exit(1)
elif opt in ('-o', '--old'):
old_url = arg
elif opt in ('-n', '--new'):
new_url = arg
else:
usage()
sys.exit(1)
if not os.path.exists(old_url):
print("File " + old_url + " doesn't exist!")
sys.exit(1)
elif not os.path.exists(new_url):
print("File " + new_url + " doesn't exist!")
sys.exit(1)
oldValues = readFile(old_url)
newValues = readFile(new_url)
meanOld = sum(oldValues.values())/len(oldValues)
maxValue = max(oldValues.values())
results = {}
print("Mean value: " + str(meanOld))
for k, v in oldValues.items():
if k not in newValues:
print("File: " + k + " doesn't exist. Why?")
continue
diff = newValues[k] / v
# check if it's 3 times slower for small values
# or 2 times slower for greater values
# or timeout is reached
if diff >= 3 \
or (v > meanOld and diff >= 2 ) \
or (v != maxValue and newValues[k] == maxValue):
results[k] = [diff, v, newValues[k]]
sorted_results = sorted(results.items(), key=lambda kv: kv[1], reverse=True)
for k, v in sorted_results:
print("File " + k + " is " + str('%.3f' % v[0]) + " slower. Before: " + str('%.3f' % v[1]) + ". After: " + str('%.3f' % v[2]))
# vim:set shiftwidth=4 softtabstop=4 expandtab:
|
